Research Square

Laboratory Frailty Index and Adverse Outcomes in Older Adults With Bloodstream Infection: A Single-Center Retrospective Cohort Study

Preprint: cohort study of 775 peopleBiomarkers

Abstract

Background Bloodstream infection (BSI) is associated with substantial morbidity and mortality among older adults. Existing prognostic tools primarily focus on acute illness severity and comorbidity burden but often fail to capture age-related physiological vulnerability.

The paper

Xuzhou Medical College

Research Square, 10 Aug 2026, CC BY, Preprint, not peer-reviewed

doi.org/10.21203/rs.3.rs-10155388/v1